require_relative '../../spec_helper' require_relative 'fixtures/module' describe "Module#name" do it "is nil for an anonymous module" do Module.new.name.should be_nil end it "is nil when assigned to a constant in an anonymous module" do m = Module.new m::N = Module.new m::N.name.should be_nil end it "is not nil for a nested module created with the module keyword" do m = Module.new module m::N; end m::N.name.should =~ /\A#::N\z/ end it "changes when the module is reachable through a constant path" do m = Module.new module m::N; end m::N.name.should =~ /\A#::N\z/ ModuleSpecs::Anonymous::WasAnnon = m::N m::N.name.should == "ModuleSpecs::Anonymous::WasAnnon" end it "is set after it is removed from a constant" do module ModuleSpecs module ModuleToRemove end mod = ModuleToRemove remove_const(:ModuleToRemove) mod.name.should == "ModuleSpecs::ModuleToRemove" end end it "is set after it is removed from a constant under an anonymous module" do m = Module.new module m::Child; end child = m::Child m.send(:remove_const, :Child) child.name.should =~ /\A#::Child\z/ end it "is set when opened with the module keyword" do ModuleSpecs.name.should == "ModuleSpecs" end it "is set when a nested module is opened with the module keyword" do ModuleSpecs::Anonymous.name.should == "ModuleSpecs::Anonymous" end it "is set when assigning to a constant" do m = Module.new ModuleSpecs::Anonymous::A = m m.name.should == "ModuleSpecs::Anonymous::A" end it "is not modified when assigning to a new constant after it has been accessed" do m = Module.new ModuleSpecs::Anonymous::B = m m.name.should == "ModuleSpecs::Anonymous::B" ModuleSpecs::Anonymous::C = m m.name.should == "ModuleSpecs::Anonymous::B" end it "is not modified when assigned to a different anonymous module" do m = Module.new module m::M; end first_name = m::M.name.dup module m::N; end m::N::F = m::M m::M.name.should == first_name end # http://bugs.ruby-lang.org/issues/6067 it "is set with a conditional assignment to a nested constant" do eval("ModuleSpecs::Anonymous::F ||= Module.new") ModuleSpecs::Anonymous::F.name.should == "ModuleSpecs::Anonymous::F" end it "is set with a conditional assignment to a constant" do module ModuleSpecs::Anonymous D ||= Module.new end ModuleSpecs::Anonymous::D.name.should == "ModuleSpecs::Anonymous::D" end # http://redmine.ruby-lang.org/issues/show/1833 it "preserves the encoding in which the class was defined" do require fixture(__FILE__, "name") ModuleSpecs::NameEncoding.new.name.encoding.should == Encoding::UTF_8 end it "is set when the anonymous outer module name is set" do m = Module.new m::N = Module.new ModuleSpecs::Anonymous::E = m m::N.name.should == "ModuleSpecs::Anonymous::E::N" end ruby_version_is ""..."2.7" do it "returns a mutable string" do ModuleSpecs.name.frozen?.should be_false end it "returns a mutable string that when mutated does not modify the original module name" do ModuleSpecs.name << "foo" ModuleSpecs.name.should == "ModuleSpecs" end end ruby_version_is "2.7" do it "returns a frozen String" do ModuleSpecs.name.frozen?.should == true end it "always returns the same String for a given Module" do s1 = ModuleSpecs.name s2 = ModuleSpecs.name s1.should equal(s2) end end end